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The aggregate costs related to goods produced and sold and services rendered by an entity during the reporting period. This excludes costs incurred during the reporting period related to financial services rendered and other revenue generating activities.

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Amount of lessee's right to use underlying asset under operating lease.

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Amount of asset related to consideration paid in advance for costs that provide economic benefits in future periods, and amount of other assets that are expected to be realized or consumed within one year or the normal operating cycle, if longer.

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Summary of Significant Accounting Policies (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016	Jan. 01, 2019	Jan. 01, 2018
Cost of sales	$ 2,030.0	$ 1,962.9	$ 2,114.8	$ 2,192.5	$ 2,021.6	$ 1,894.6	$ 1,876.8	$ 1,890.7	$ 8,300.2	$ 7,683.7	$ 7,142.3
Selling, general and administrative expenses	225.8	$ 230.5	$ 236.0	$ 253.4	240.0	$ 225.0	$ 215.1	$ 219.0	$ 945.7	899.1	818.0
Percentage owned affiliates accounted for under equity method, minimum									20.00%
Percentage owned affiliates accounted for under equity method, maximum									50.00%
Inventory Disclosure [Abstract]
Inventories, net	780.8				766.3				$ 780.8	766.3			$ 758.9
Inventory, LIFO Reserve	16.7				13.1				16.7	13.1
Property, Plant and Equipment [Abstract]
Prepayments and other current assets	250.0				145.4				250.0	145.4			154.8
Accounts Payable and Accrued Liabilities													2,270.4
Retained earnings	5,336.1				4,531.0				5,336.1	4,531.0			4,532.9
United States
Inventory Disclosure [Abstract]
Inventories, net	$ 137.9				147.4				$ 137.9	147.4
Minimum [Member]
Standard product warranty term									1 year
Minimum [Member] \| Long-term Supply Arrangements [Member]
Property, Plant and Equipment [Abstract]
Property, Plant and Equipment, Useful Life, Minimum									3 years
Minimum [Member] \| Building [Member]
Property, Plant and Equipment [Abstract]
Property, Plant and Equipment, Useful Life, Minimum									15 years
Minimum [Member] \| Machinery and equipments
Property, Plant and Equipment [Abstract]
Property, Plant and Equipment, Useful Life, Minimum									3 years
Maximum [Member]
Standard product warranty term									3 years
Maximum [Member] \| Long-term Supply Arrangements [Member]
Property, Plant and Equipment [Abstract]
Property, Plant and Equipment, Useful Life, Minimum									5 years
Maximum [Member] \| Building [Member]
Property, Plant and Equipment [Abstract]
Property, Plant and Equipment, Useful Life, Minimum									40 years
Maximum [Member] \| Machinery and equipments
Property, Plant and Equipment [Abstract]
Property, Plant and Equipment, Useful Life, Minimum									12 years
Difference between Revenue Guidance in Effect before and after Topic 606 [Member]
Inventory Disclosure [Abstract]
Inventories, net													(7.4)
Property, Plant and Equipment [Abstract]
Prepayments and other current assets													9.4
Accounts Payable and Accrued Liabilities													0.1
New Accounting Pronouncement or Change in Accounting Principle, Cumulative Effect of Change on Equity or Net Assets													(1.9)
Calculated under Revenue Guidance in Effect before Topic 606 [Member]
Inventory Disclosure [Abstract]
Inventories, net					766.3					766.3
Property, Plant and Equipment [Abstract]
Prepayments and other current assets					145.4					145.4
Accounts Payable and Accrued Liabilities					2,270.3					2,270.3
Retained earnings					$ 4,531.0					4,531.0
Accounting Standards Update 2018-02 [Member]
Property, Plant and Equipment [Abstract]
New Accounting Pronouncement or Change in Accounting Principle, Cumulative Effect of Change on Equity or Net Assets													(14.0)
Accounting Standards Update 2017-07 [Member]
Cost of sales										4.5	4.4
Selling, general and administrative expenses										$ 0.6	$ 0.5
Accounting Standards Update 2016-02 [Member] \| Scenario, Forecast [Member] \| Minimum [Member]
Operating Lease, Right-of-Use Asset												$ 100.0
Accounting Standards Update 2016-02 [Member] \| Scenario, Forecast [Member] \| Maximum [Member]
Operating Lease, Right-of-Use Asset												$ 120.0
Accounting Standards Update 2014-09 [Member] \| Contract with Customer, Variable Consideration [Member] \| Difference between Revenue Guidance in Effect before and after Topic 606 [Member]
Property, Plant and Equipment [Abstract]
New Accounting Pronouncement or Change in Accounting Principle, Cumulative Effect of Change on Equity or Net Assets													0.1
Accounting Standards Update 2014-09 [Member] \| Transferred over Time [Member] \| Difference between Revenue Guidance in Effect before and after Topic 606 [Member]
Property, Plant and Equipment [Abstract]
New Accounting Pronouncement or Change in Accounting Principle, Cumulative Effect of Change on Equity or Net Assets													$ (2.0)